- ECOMOG (Economic Community of West African States Ceasefire Monitoring Group) : This ECOWAS ceasefire monitoring group was established by a Decision of the Authority in 1990.

- Operations in Liberia:

- ECOWAS Member States which contributed contingents: Benin, Burkina Faso, Gambia, Ghana, Guinea, Mali, Niger, Nigeria, Senegal and Sierra Leone,

- Other countries: Uganda and Tanzania

- Operations in Sierra Leone

- Member States which contributed contingents: Ghana, Guinea, Mali, Nigeria and Senegal

- Operations in Guinea-Bissau:

- Member States which contributed contingents: Benin, Gambia, Niger and Togo

- Intervention as part of the Guinea-Senegal bilateral agreements.

- Conflict prevention and management mechanism adopted by the Authority in 1998. Proposed Framework Document for conflict prevention: an observation and monitoring system as well as organs to contain emerging conflicts:

- 4 offices for the observation zones: Cotonou, Ouagadougou, Banjul and Monrovia

- 1 observation and monitoring centre at the Secretariat in Abuja

- Establishment of a Mediation and Security Council made up of 9 Member States

- Establishment of a Council of Elders

- Raising of stand-by troops

- Moratorium on the importation, exportation and manufacture of small arms. Declaration adopted by the Authority in October, 1998.

- Adoption of a plan of action and a code of conduct

- Development of a culture of peace

- Raising of armed and security forces

- Control of small arms at the borders

- Establishment of a data bank and a regional register on small arms

- Collection and destruction of surplus weapons (carried out by Liberia and Mali)

- Facilitation of dialogue with the manufacturers and suppliers of arms - Code of conduct